From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
The non-standardised exhaust system for the 24-EX model and the unsuitability of using aluminium.
| Identifier | ExFiles\Box 19\4\ Scan142 | |
| Date | 15th July 1930 | |
| x7772. SG.{Arthur F. Sidgreaves - MD} From Hs.{Lord Ernest Hives - Chair} C. to Wor.{Arthur Wormald - General Works Manager} Hs.{Lord Ernest Hives - Chair}5/MJ.15.7.30. x7220 x7940 x7772 24-EX. EXHAUST SYSTEM. Replying to Sg.{Arthur F. Sidgreaves - MD}13/D14.7.30. The exhaust system fitted to 24-EX. has not been standardised. Although it ran the 10,000 miles test on 23-EX. satisfactorily, we had certain doubts about it and therefore did not issue a standardisation sheet but fitted it to 24-EX. in order to get further experience. We have written to R.{Sir Henry Royce} saying that we think it is impossible to use aluminium on exhaust systems. Hs.{Lord Ernest Hives - Chair} | ||